Fair Value Measurements - Fair Value of Financial Instruments (Details) - USD ($) $ in Millions	Jun. 27, 2025	Dec. 31, 2024
Assets:
Investments in rabbi trust	$ 25.9	$ 24.2
Cross-currency swap derivative contract
Assets:
Cross-currency swap derivative contract		5.9
Liabilities:
Derivative liability	10.5
Foreign currency contract
Liabilities:
Derivative liability	0.1
Carrying Amount
Assets:
Investments in rabbi trust	25.9	24.2
Liabilities:
Other debt	954.0	788.6
Carrying Amount | Convertible senior notes due 2028
Liabilities:
Convertible senior notes	491.1	489.7
Carrying Amount | Convertible senior notes due 2025
Liabilities:
Convertible senior notes	0.0	116.0
Carrying Amount | Cross-currency swap derivative contract
Assets:
Cross-currency swap derivative contract	0.0	5.9
Liabilities:
Derivative liability	10.5	0.0
Carrying Amount | Foreign currency contract
Liabilities:
Derivative liability	0.1	0.0
Fair Value
Assets:
Investments in rabbi trust	25.9	24.2
Liabilities:
Other debt	954.0	788.6
Fair Value | Convertible senior notes due 2028
Liabilities:
Convertible senior notes	465.4	450.0
Fair Value | Convertible senior notes due 2025
Liabilities:
Convertible senior notes	0.0	125.4
Fair Value | Cross-currency swap derivative contract
Assets:
Cross-currency swap derivative contract	0.0	5.9
Liabilities:
Derivative liability	10.5	0.0
Fair Value | Foreign currency contract
Liabilities:
Derivative liability	$ 0.1	$ 0.0